﻿using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class LogList : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["userName"] == null || Session["roleID"] == null)
        {
            Response.Redirect("Login.aspx");
            Response.End();
        }
        if (!Page.IsPostBack)
        {
            BindToPpLog();
        }
    }
    protected void BindToPpLog()
    {
        RpLog.DataSource = pds();
        RpLog.DataBind();
    }

    private PagedDataSource pds()
    {
        int pageSize = 15;
        string tabName = "LOG";

        string sqlString = "select * from " + tabName + " order by STATUS ASC,ADDDATE DESC";
        DBOperation DBO = new DBOperation();
        DataSet ds = DBO.GetDataSet(sqlString, "temp");
        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables["temp"].DefaultView;
        pds.AllowPaging = true;//允许分页
        pds.PageSize = pageSize;//单页显示项数
        int CurrentPage = 0;
        if (Request.QueryString["page"] != null)
        {
            CurrentPage = Convert.ToInt32(Request.QueryString["page"]);
        }
        pds.CurrentPageIndex = CurrentPage;
        return pds;
    }

    protected void ddlp_SelectedIndexChanged(object sender, EventArgs e)
    {//脚模板中的下拉列表框更改时激发
        string pg = Convert.ToString((Convert.ToInt32(((DropDownList)sender).SelectedValue) - 1));//获取列表框当前选中项
        Response.Redirect("LogList.aspx?page=" + pg);//页面转向
    }

    protected void RpLog_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Footer)
        {
            DropDownList ddlp = (DropDownList)e.Item.FindControl("ddlp");

            HyperLink lpfirst = (HyperLink)e.Item.FindControl("hlfir");
            HyperLink lpprev = (HyperLink)e.Item.FindControl("hlp");
            HyperLink lpnext = (HyperLink)e.Item.FindControl("hln");
            HyperLink lplast = (HyperLink)e.Item.FindControl("hlla");

            pds().CurrentPageIndex = ddlp.SelectedIndex;

            int n = Convert.ToInt32(pds().PageCount);//n为分页数
            int i = Convert.ToInt32(pds().CurrentPageIndex);//i为当前页

            Label lblpc = (Label)e.Item.FindControl("lblpc");
            lblpc.Text = n.ToString();
            Label lblp = (Label)e.Item.FindControl("lblp");
            lblp.Text = Convert.ToString(pds().CurrentPageIndex + 1);

            if (!IsPostBack)
            {
                for (int j = 0; j < n; j++)
                {
                    ddlp.Items.Add(Convert.ToString(j + 1));
                }
            }

            if (i <= 0)
            {
                lpfirst.Enabled = false;
                lpprev.Enabled = false;
                lplast.Enabled = true;
                lpnext.Enabled = true;
            }
            else
            {
                lpprev.NavigateUrl = "?page=" + (i - 1);
            }
            if (i >= n - 1)
            {
                lpfirst.Enabled = true;
                lplast.Enabled = false;
                lpnext.Enabled = false;
                lpprev.Enabled = true;
            }
            else
            {
                lpnext.NavigateUrl = "?page=" + (i + 1);
            }

            lpfirst.NavigateUrl = "?page=0";//向本页传递参数page
            lplast.NavigateUrl = "?page=" + (n - 1);

            ddlp.SelectedIndex = Convert.ToInt32(pds().CurrentPageIndex);//更新下拉列表框中的当前选中页序号
        }
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            Button btnDel = (Button)e.Item.FindControl("btnDelLog");
            btnDel.Attributes.Add("onclick","return confirm('你确定要删除该条日志吗？');");
        }
    }
    protected void RpLog_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
        int logID = Convert.ToInt32(e.CommandArgument);
        if (e.CommandName == "del")
        {
            Log tempLog = new Log(logID);
            tempLog.DelLog();
            BindToPpLog();
        }

    }
}
